function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Andréfouët, Serge & Chen, Wei-Jen & Kinch, Jeff & Mana, Ralph', 30],
    ['Bleeker, Pieter', 20],
    ['Bloch, Marcus Elieser', 4],
    ['Curtiss, A.', 8],
    ['Du, Jianguo & Loh, Kar-Hoe & Hu, Wenjia & Zheng, Xinqing', 15],
    ['Fowler, Henry Weed', 6],
    ['Jenkins, O. P.', 7],
    ['Jordan, David Starr & Evermann, Barton Warren', 4],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 6],
    ['Macleay, William John', 5],
    ['Rüppell, Wilhem Peter Eduard Simon', 4],
    ['Smith, J. L. B.', 6],
    ['Steindachner, F.', 6],
    ['Zajonz, Uwe & Bogorodsky, Sergey V. & Saeed, Fouad K. N.', 17],
    ['Zarco Perello, Salvador & Moreno Mendoza, Rigoberto', 8],
    ['Other (59)', 86]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=232)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);